/*************************************************************************************
*                                  SRL ENGINE                                        *
*                                                                                    *
*                                                                                    *
*  File : SRL_Frustum.h                                                              *
*  Author: SRL Killing                                                               *
*  Date: 25/02/10 20:30                                                              *
*  Description:                                                                      *
*                                                                                    *  
*  Licence :  LGPL                                                                   *
*                                                                                    *
*    Copyright (C) 2010 Pecatte Baptiste                                             *
*                                                                                    *
*    This program is free software; you can redistribute it and/or                   *
*    modify it under the terms of the GNU Lesser General Public                      *
*    License as published by the Free Software Foundation; either                    *
*    version 2.1 of the License, or (at your option) any later version.              *
*                                                                                    *
*    This program is distributed in the hope that it will be useful,                 *
*    but WITHOUT ANY WARRANTY; without even the implied warranty of                  *
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU                *
*    Lesser General Public License for more details.                                 *
*                                                                                    *
*    You should have received a copy of the GNU Lesser General Public                *
*    License along with this program; if not, write to the Free Software             *
*    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    *
*                                                                                    *
**************************************************************************************/

#ifndef DefineHeaderFrustum
#define DefineHeaderFrustum

namespace srl {
    class Plane : public Vector<float> {
        public:
            Plane();
            Plane(srl::Vector<float> pNormale);
            Plane(float pa, float pb, float pc, float pd);
            
            void Set(srl::Vector<float> pNormale);
            void Set(float pa, float pb, float pc, float pd);
            
            bool IsOn(srl::Vector<float> Point);
            bool IsOver(srl::Vector<float> Point);
            bool IsUnder(srl::Vector<float> Point);
            
            void Normalize();
            
        private:
            srl::Vector<float> Normale;
            float d;
    };
    
    class Frustum {
        public:
            Frustum();
            Frustum(srl::Camera* pCamera);
            
            void Make(srl::Camera* pCamera);
            void Make();
            void MakeGL();
            
            bool Test(srl::Vector<float> point);
            bool Test(srl::BoundingBox Box);
            
            static srl::Frustum* Get();
            
        private:
            srl::Plane Planes[6];
            srl::Camera *Camera;
    };
};
#endif
